Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/184879
Authors: 
Dewenter, Ralf
Heimeshoff, Ulrich
Löw, Franziska
Year of Publication: 
2017
Series/Report no.: 
Diskussionspapier No. 176
Publisher: 
Helmut-Schmidt-Universität - Universität der Bundeswehr Hamburg, Fächergruppe Volkswirtschaftslehre, Hamburg
Abstract: 
Platform markets are characterized by the existence of indirect network effects that connect two or more market sides through a platform that internalizes these feedback effects. Conventional instruments of market definitions which consider price levels cannot easily applied in case of two-sided platform competition, as price structure of those markets are non-neutral. Instead of using prices, we use time series of quantities and simple correlation analysis to evaluate the substitutional relationship within two-sided media markets. As a benchmark model, we simulate a Cournot duopoly on order to calculate correlation coefficients for varying degrees of product differentiation and indirect network effects.
Subjects: 
two-sided markets
market definition
printed media
network effects
JEL: 
D43
L40
L82
Document Type: 
Working Paper

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